A Multnomah County deputy is accused of running a red light and colliding with another car in Southeast Portland Friday, authorities said.

Witnesses said the unidentified deputy did not have his emergency lights flashing when his patrol car struck the driver's side of another car about 7:30 p.m. near Southeast 95th Avenue and Stark Street, said Lt. Steve Alexander, a sheriff's spokesman.

No one was taken to the hospital and the deputy was not transporting anyone, he said. The crash is under investigation.